The proprietary CORONA plasma tweeter, available only from Lansche Audio, forms the centerpiece of our loudspeaker systems. This tweeter system contains no
inductive voice coil, no inhomogeneous magnetic field, no resonance-bound membrane, no mass-spring system vibrating back and forth, and no non-linear suspension.
All there is, in fact, is light and air. more

The DMC-30SV "Super Velose" reference preamplifier utilizes new Spectral exclusive technologies and componentry to raise the bar
in signal control and amplification to a new level of precision and musical realism.
more

The most promising circuits, those accurately conveying robust dynamics and transparency along with superlative detail and staging have become part of
Spectral design and the creation of the new Spectral DMA-300 Reference Standard.
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The Alpha DAC Reference Series embodies everything we know about digital to analog conversion taken to an unprecedented level - a level that requires
new design concepts and new components at the edge of what is possible. more